Title:
DISPLAY DEVICE AND METHOD FOR CONTROLLING SAME
Document Type and Number:
WIPO Patent Application WO/2020/096341
Kind Code:
A1
Abstract:
The present invention provides a display device, which enables minimization of a transformer circuit and which can be driven using various commercial voltages, and a method for controlling the display device. The display device according to an embodiment comprises: a display unit; a transformer unit which transforms commercial power and supplies the transformed commercial power to the display unit and which includes a plurality of switching devices; and a control unit for determining, on the basis of the magnitude of an input voltage input to the transformer unit, whether or not to open at least one of the plurality of switching devices, and controlling the plurality of switching devices on the basis of the output voltage of the transformer unit to perform a modulation control of the output voltage to follow a predetermined reference voltage.
Inventors:
JANG DU HEE (KR)
HAN SANG GYU (KR)
LEE SANG HOON (KR)
HA KA SAN (KR)
HAN SANG GYU (KR)
LEE SANG HOON (KR)
HA KA SAN (KR)
Application Number:
PCT/KR2019/014962
Publication Date:
May 14, 2020
Filing Date:
November 06, 2019
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
KOOKMIN UNIV INDUSTRY ACADEMIC COOPERATION FOUNDATION (KR)
KOOKMIN UNIV INDUSTRY ACADEMIC COOPERATION FOUNDATION (KR)
International Classes:
G09G5/00; G09G1/00; H02M1/00; H02M1/42; H02M3/335
Foreign References:
| KR20130076413A | 2013-07-08 | |||
| KR20170017128A | 2017-02-15 | |||
| KR20040086285A | 2004-10-08 | |||
| US20040095119A1 | 2004-05-20 | |||
| KR19990069026A | 1999-09-06 |
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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